| Caltanissetta to Nottingham | 1,293.99 mi (2,082.48 km) |
| Caltanissetta to Nuneaton | 1,280.38 mi (2,060.57 km) |
| Caltanissetta to Oadby | 1,273.41 mi (2,049.35 km) |
| Caltanissetta to Oakengates | 1,317.13 mi (2,119.71 km) |
| Caltanissetta to Oakham | 1,267.84 mi (2,040.39 km) |
| Caltanissetta to Oldbury | 1,295.04 mi (2,084.17 km) |
| Caltanissetta to Oldham | 1,351.03 mi (2,174.28 km) |
| Caltanissetta to Ollerton | 1,303.57 mi (2,097.89 km) |
| Caltanissetta to Olton | 1,285.61 mi (2,068.99 km) |
| Caltanissetta to Omagh | 1,550.90 mi (2,495.93 km) |
| Caltanissetta to Ormesby | 1,380.50 mi (2,221.70 km) |
| Caltanissetta to Ormskirk | 1,373.36 mi (2,210.21 km) |
| Caltanissetta to Orpington | 1,176.72 mi (1,893.74 km) |
| Caltanissetta to Ossett | 1,343.80 mi (2,162.64 km) |
| Caltanissetta to Oswaldtwistle | 1,368.80 mi (2,202.88 km) |
